Question 1

What can Polytomic actually write into Plain?

Accepted Answer

Three objects, and it is worth knowing the boundary before planning a sync. Customers accept an external identifier, name, email and email verification status. Companies accept name, domain, contract value, account owner and tier. Tenants accept name, external identifier, URL, tier and custom field values. Everything else in Plain, including threads, messages, notes, users, tiers and label types, is read only and cannot be selected as a destination object.

Question 2

How are records matched when writing to Plain?

Accepted Answer

By the identifiers you already have, which avoids storing Plain record identifiers in Salesforce. Customers match on email address or on an external identifier, so a Contact can be matched by email or by its Salesforce record identifier held as the external identifier. Companies match on Plain's company identifier or on domain name, which makes Account website domain a natural key. Tenants match on Plain's tenant identifier or an external identifier. All three run a single create or update mode.

Question 3

Is this a genuine two way sync?

Accepted Answer

Not automatically, and it is better to think of it as two separate flows. Each direction is its own sync with its own schedule and mapping. Reading out of Plain gives you the full object catalogue including threads and messages; writing back into Plain is limited to the three profile objects. Some things move one way only regardless of configuration: customer labels, customer custom attributes and a customer's company membership are readable but not writable.

Question 4

What does this solve in practice?

Accepted Answer

The context gap on both sides. Agents answering a thread often cannot see whether the account is on a trial, what it pays or who owns it, because that lives in the CRM. Meanwhile account owners cannot see that a renewal is generating escalations. Running reverse ETL into Plain closes the first gap, and syncing threads out closes the second, so support volume becomes something you can report against account value rather than in isolation.

Connect Plain with Salesforce

Connect Plain and Salesforce with Polytomic

Account context inside Plain

Matched on email or domain

Support load against accounts

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Connect Plain in Polytomic

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